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Outer Halo Star Clusters: Comparisons for Cloud Clusters

Published online by Cambridge University Press:  25 May 2016

J. E. Hesser ,
P. B. Stetson ,
S. van den Bergh ,
M. Bolte ,
J. A. Johnson ,
W. E. Harris ,
D.A. VandenBerg ,
R. A. Bell ,
H. E. Bond  and
L. E. Fullton
...Show all authors
J. E. Hesser
Affiliation:
National Research Council of Canada, Herzberg Inst. of Astrophysics, Dominion Astrophysical Obs., Victoria, BC V8X 4M6, Canada
P. B. Stetson
Affiliation:
National Research Council of Canada, Herzberg Inst. of Astrophysics, Dominion Astrophysical Obs., Victoria, BC V8X 4M6, Canada
S. van den Bergh
Affiliation:
National Research Council of Canada, Herzberg Inst. of Astrophysics, Dominion Astrophysical Obs., Victoria, BC V8X 4M6, Canada
M. Bolte
Affiliation:
U. of California, UCO/Lick Observatory, Santa Cruz, CA 95064, USA
J. A. Johnson
Affiliation:
U. of California, UCO/Lick Observatory, Santa Cruz, CA 95064, USA
W. E. Harris
Affiliation:
McMaster University, Department of Physics and Astronomy, Hamilton, ON L8S 4M1, Canada
D.A. VandenBerg
Affiliation:
University of Victoria, Department of Physics and Astronomy, Victoria, BC V8W 3P6, Canada
R. A. Bell
Affiliation:
University of Maryland, Department of Astronomy, College Park, MD 0742-2421, USA
H. E. Bond
Affiliation:
STScI, 3700 San Martin Dr., Baltimore, MD 21218, USA
L. E. Fullton
Affiliation:
STScI, 3700 San Martin Dr., Baltimore, MD 21218, USA
G. G. Fahlman
Affiliation:
University of British Columbia, Department of Physics and Astronomy, Vancouver, BC V6T 1Z4, Canada
H. B. Richer
Affiliation:
University of British Columbia, Department of Physics and Astronomy, Vancouver, BC V6T 1Z4, Canada

Abstract

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Color-magnitude diagrams reaching from the giant branches to Vlim ~ 27.0, or about three magnitudes fainter than the turnoff, have been obtained in V and I with WFPC2 on HST for NGC 2419, Pal 3, Pal 4 and Eridanus, whose relative ages are discussed.

Type
Part 6. Stellar Clusters
Information
Symposium - International Astronomical Union , Volume 190: New Views of the Magellanic Clouds , 1999 , pp. 438 - 439
Copyright
Copyright © Astronomical Society of the Pacific 1999 

References

Brown, J.A., Wallerstein, G., & Zucker, D. 1997, AJ, 114, 180 Google Scholar
Harris, W.E., et al. 1997, AJ, 114, 1030 CrossRefGoogle Scholar
Stetson, P.B., et al. 1999, AJ, 117, 247 Google Scholar